X-Git-Url: http://git.ieval.ro/?p=slob.git;a=blobdiff_plain;f=lib%2FSlob.pm;fp=lib%2FSlob.pm;h=818ff785ed7fe6fd298fe3a9ff0c7142aa4713f8;hp=4b796cb91c26bd7562ccbb050d5bcbb2c9ba19bc;hb=d50f39582b61e51d104a3fc4799163855d5a289b;hpb=632d3de34ccfdc6438583d38e8a70fdbf02a5154

diff --git a/lib/Slob.pm b/lib/Slob.pm
index 4b796cb..818ff78 100644
--- a/lib/Slob.pm
+++ b/lib/Slob.pm
@@ -10,12 +10,30 @@ use constant MAGIC => "!-1SLOB\x1F";
 use Carp qw/croak verbose/;
 use Encode;
 
+use Compress::Raw::Lzma;
+
+our %UNCOMPRESS = (
+	'' => sub { $_[0] },
+	'lzma2' => sub {
+		my ($input) = @_;
+		my ($lzma2, $code, $output);
+		($lzma2, $code) = Compress::Raw::Lzma::RawDecoder->new(Filter => Lzma::Filter::Lzma2());
+		die "Error creating LZMA2 decoder: $code\n" unless $code == LZMA_OK;
+		$code = $lzma2->code($input, $output);
+		die "Did not reach end of stream" if $code == LZMA_OK;
+		die "Error decoding LZMA2: $code" if $code != LZMA_STREAM_END;
+		$output
+	}
+);
+
 sub new {
 	my ($class, $path) = @_;
-	my $fh =
-	  ref $path eq 'IO'
-	  ? $path
-	  :  open my $fh, '<', $path or croak "Cannot open \"$path\": $!";
+	my $fh;
+	if (ref $path eq 'IO') {
+		$fh = $path
+	} else {
+		open $fh, '<', $path or croak "Cannot open \"$path\": $!"
+	}
 	my $self = bless {path => $path, fh => $fh}, $class;
 	$self->{header} = $self->read_header;
 	$self
@@ -109,7 +127,7 @@ sub ftell {
 
 sub uncompress {
 	my ($self, $data) = @_;
-	$data
+	$UNCOMPRESS{$self->{header}{compression}}->($data)
 }
 
 sub read_header {
@@ -122,7 +140,7 @@ sub read_header {
 	$self->{encoding} = $encoding;
 
 	my $compression = $self->read_tiny_text;
-	die "Compression not yet supported" if $compression;
+	die "Compression '$compression' not yet supported" unless exists $UNCOMPRESS{$compression};
 	my %tags = $self->read_tags;
 	my @content_types = $self->read_content_types;
 	my $blob_count = $self->read_int;